Phone call: Families can call watch terminal, and watch ternimal also can call families. Press Key 1 for 3 seconds to call the first number in SOS, press Key 2 for 3 seconds to call the second number in SOS Precise Localization: Double position technology based on GPS + Local Base Station, achieving all day real-tim location tracking, more precise localization. Electronic Fence: On this function, families can set up a zone, which be centred […]